ISLAMABAD: Foreign Office Spokesman Moazzam Ahmad Khan said Pakistan and United States will have to adopt realistic approach to improve bilateral relations.

Speaking to Pakistan Television, he said that Pakistan-US relations are important and there is a desire on both sides to build consensus on issues.

Replying to a question, he said that both the sides shared their concerns and perspectives on different issues.

He said nobody should have any doubt about Pakistan's sacrifices in the war against terrorism.

He added that Pakistan continues to remain engaged with the US on all issues and decisions would be taken in the best national interest.

Earlier on Monday, Pentagon spokesman George Little said the US has withdrawn negotiators from Pakistan after talks failed to produce an agreement on reopening vital Nato supply routes into Afghanistan.